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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoRadiationMedium2 minPYQ_2006

PhysicsMediumsingle choice

Assuming the sun to be a spherical body of radius $R$ at a temperature of $TK$ , evaluate the total radiant power, incident on Earth, at a distance $r$ from the Sun.

Options:

Answer:

Solution:

$\frac{π r _{0}^{2}}{4 π r ^{2}} (σ T^{4} \cdot 4 π R^{2}) = \frac{σπ T ^{4} R ^{2} r _{0}^{2}}{r ^{2}}$

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Radiation

⏱ 2mℹ️ Source: PYQ_2006

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